Which outcome results when ancient Roman road construction on unstable ground failed to adequately displace mire?

💡 Explanation

When mire isn't properly removed or stabilized, the road's weight consolidates the underlying compressible soil, causing long-term settlement and continual compaction. Therefore secondary consolidation occurs rather than frost heave, lateral spreading, or liquefaction which require freeze-thaw cycles, significant gradients, and seismic activity, respectively.

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